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Re: [Xen-devel] [PATCH] linux: prevent invalid or unsupportable PIRQs fr
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] linux: prevent invalid or unsupportable PIRQs from being used |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 05 Nov 2008 14:54:12 +0000 |
| Cc: | |
| Delivery-date: | Wed, 05 Nov 2008 06:54:32 -0800 |
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| Thread-index: | Ack/Vl0xm4djyKtJEd2t7AAX8io7RQ== |
| Thread-topic: | [Xen-devel] [PATCH] linux: prevent invalid or unsupportable PIRQs from being used |
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On 5/11/08 14:13, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > By keeping the respective irq_desc[] entries pointing to no_irq_type, > setup_irq() (and thus request_irq()) will fail for such IRQs. This > matches native behavior, which also only installs ioapic_*_type out of > ioapic_register_intr(). > > At the same time, make assign_irq_vector() fail not only when Xen > doesn't support the PIRQ, but also if the IRQ requested doesn't fall > in the kernel's PIRQ space. Reverted as it breaks the build non-trivially (at least: no set_irq_chip_and_handler_name(); no pirq_chip structure). The 2.6.18 isn't really the place for big code restructurings anyway (this was a big patch). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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